Since these tolerances are complex, there is often no exact fit and gaps are inevitable. In order to plug these gaps we use seals or gaskets to prevent liquids or gases either entering or escaping. Foams are ideally suited, as they are easily compressed, and have the ability to recover after deformation, forcing themselves back into it's their form and creating a seal.
A grade of sponge rubber which has excellent oil and chemical resistance. When compressed it creates a seal. It also has good temperature resistance.
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A grade of sponge rubber which exhibits the properties of the 2 base foams, giving oil resistance at a more economical level.
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A soft and cheaper version of sealing sponge rubber which does not exhibit the same oil and chemical resistance of Neoprene sponge rubber, but does have better ozone resistance making it suitable for many outdoor applications.
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A low density sealing grade with good UV resistance and water resistance with excellent ageing properties. Ideal for weatherstrips and conformability. This type of foam has excellent High Frequency Welding characteristics.
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A technical grade of silicone foam, with high temperature resistance of 200°C or (250°C intermittent), with flame retardancy to UL94 V0 and V1, at certain thicknesses.
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A low density and versatile foam, with supersoft grades available for many new construction applications. Excellent chemical resistance and used where low teperatures and outdoor applications require a seal.
More information about Polyethylene foam.
A special Polyurethane foam, impregnated with an acrylic to produce a slow recovery foam with excellent weatherablity and sealing properties. It is used in applications where uneven gaps require sealing.
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A special low density grade of PU foam 40Kg/m³ which upon compression creates a watertight seal and great conformability at low compression forces, with many applications where weight is an issue ie Automotive applications.